Defending champion Webb Simpson reeled off three successive birdies from his 10th hole to vault within two strokes of the clubhouse lead during the second round at the $6.2 million Shiners Hospitals for Children Open in Las Vegas on Friday.

With just six days to go before United States captain Tom Watson announces his three wildcard picks for next month`s Ryder Cup, the heat is on for several players competing at this week`s Deutsche Bank Championship.

Former US Open champion Webb Simpson moved closer to a fourth victory on the PGA Tour as he maintained a commanding four-shot lead after Saturday`s third round of the Shriners Hospitals for Children Open in Las Vegas.

Former US Open champion Webb Simpson wielded a red-hot putter as he piled up nine birdies to charge into a four-shot lead in Friday`s second round of the Shriners Hospitals for Children Open in Las Vegas.